import axios from 'axios';
import { Loading, Message } from 'element-ui';
import { saveAs } from 'file-saver';
import { getToken } from '@/utils/auth';
import errorCode from '@/utils/errorCode';
import { blobValidate } from '@/utils/ruoyi';

const baseURL = process.env.VUE_APP_BASE_API;
let downloadLoadingInstance;

export default {
	name(name, isDelete = true) {
		var url = baseURL + '/common/download?fileName=' + encodeURIComponent(name) + '&delete=' + isDelete;
		axios({
			method: 'get',
			url: url,
			responseType: 'blob',
			headers: { Authorization: 'Bearer ' + getToken() },
		}).then((res) => {
			const isBlob = blobValidate(res.data);
			if (isBlob) {
				const blob = new Blob([res.data]);
				this.saveAs(blob, decodeURIComponent(res.headers['download-filename']));
			} else {
				this.printErrMsg(res.data);
			}
		});
	},
	resource(resource) {
		var url = baseURL + '/common/download/resource?resource=' + encodeURIComponent(resource);
		axios({
			method: 'get',
			url: url,
			responseType: 'blob',
			headers: { Authorization: 'Bearer ' + getToken() },
		}).then((res) => {
			const isBlob = blobValidate(res.data);
			if (isBlob) {
				const blob = new Blob([res.data]);
				this.saveAs(blob, decodeURIComponent(res.headers['download-filename']));
			} else {
				this.printErrMsg(res.data);
			}
		});
	},
	zip(url, name) {
		var url = baseURL + url;
		downloadLoadingInstance = Loading.service({ text: '正在下载数据，请稍候', spinner: 'el-icon-loading', background: 'rgba(0, 0, 0, 0.7)' });
		axios({
			method: 'get',
			url: url,
			responseType: 'blob',
			headers: { Authorization: 'Bearer ' + getToken() },
		})
			.then((res) => {
				const isBlob = blobValidate(res.data);
				if (isBlob) {
					const blob = new Blob([res.data], { type: 'application/zip' });
					this.saveAs(blob, name);
				} else {
					this.printErrMsg(res.data);
				}
				downloadLoadingInstance.close();
			})
			.catch((r) => {
				console.error(r);
				Message.error('下载文件出现错误，请联系管理员！');
				downloadLoadingInstance.close();
			});
	},
	saveAs(text, name, opts) {
		saveAs(text, name, opts);
	},
	async printErrMsg(data) {
		const resText = await data.text();
		const rspObj = JSON.parse(resText);
		const errMsg = errorCode[rspObj.code] || rspObj.msg || errorCode['default'];
		Message.error(errMsg);
	},
};
